英语(二)课后练习答案-unit 11

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1、Unit11(英语二)TextAExercisesfortheTextI.1.b2.d3.a4.d5.dII.1.disorder2.development(advances)3.irrelevant4.misleading5.irresponsible6.eventual7.reduce8.undergo9.alternative10.ethicalIII.1.Theuseofanimalscanhelpthedevelopmentofa.anestheticsb.vaccinesc.treatmentsfordiabetesd.c

2、ancere.developmentaldisorder2.ThethreeR'ssuggestedbyFRAMEarea.Reductionb.Refinementc.Replacementandtheirindividualmeaningsarea.toreducethenumberofanimalsusedintestingb.todesignbetterandrefineexperimentsc.tofindalternativemethodsoftestingratherthanbyusinganimals3.LD50ori

3、ginallymeans:alltheanimalsinatestgrouparegivenasubstanceuntilhalfofthemdie,whilethenewmethodmeans:byusingafixedamount,itgivesthesameeventualinformationbutusesfeweranimalsanddoesnotrequirethattheydie.IV.in;children;kids;at;of;going;noisy;she;soldiersV.1.Animalresearchhas

4、beencentraltothedevelopmentofhumanmedicine.2.Peoplethinkdifferentlyaboutwhetheranimalresearchisrelevanttophysicalhealthofman.3.Thenumberofanimalsusedinlaboratorytestshasdeclinedoverthepast20years.4.Newresearchfindingsshowthatasmallnumberoflaboratorytestscanbedonewithout

5、usinganimals.5.Althoughmedicaltechnologybecomesmoreandmoreadvanced,stoppingtestingonanimalsaltogetherisalongwayaway.VocabularyExercisesI.1.a.developb.developmentalc.development2.a.relevanceb.irrelevantc.relevantd.relevantly3.a.irresponsibleb.responsiblec.responsibility4

6、.a.ethicsb.ethicalc.unethicalII.1.paralyzed2.regeneration3.simulating4.suitable5.misleading6.replace7.eventual8.disorder9.lethal10.undergoIII.1.Theartisthasreproducedeverydetailofyourappearanceintheportrait.2.Weshouldaimwitheffortsforhigherproductivity.3.Hehasgivenevide

7、ncecentraltothisproblem.4.Idon'tthinkwhathesaidrelevanttoourtopicofconversation.5.Thecity'ssecurityisundergoingsomechanges,duetotheincreasingnumberofpeopleswarmingintoit.TextBExercisesfortheTextI.1.T2.T3.F4.T5.F6.F7.T8.F9.F10.FII.1.beautiful;intelligent;favored2.humanit

8、y3.patient;understanding4.attaches;goingsandcomings5.sit;contemplate;contented;serene6.moreimperative7.purchas